3
2
1
3
2
1
0
0%
00:00
0
—
00:00
0
3
2
1
3
2
1
0%
:
0
/3
00:00
4×4
5×5
6×6
7×7
3
2
1
3
2
1
×
3
2
1
00:00
0
0
0
3
3
2
1